User Account

All Pages

Calculate the mean and standard deviation

Assignment Help Mathematics
Reference no: EM13898915

I have two questions. Please use Microsoft word to write out solution.

1) The scores in Mathematics of 15 students are given below. Find range, sample variance and standard deviation.

93 85 78 79 97 90 82 61 53 63 94 69 84 67 95

Show and explain your steps.

2) The following are the prices charged (in cents) for a can of chicken soup at 20 super markets.

80 89 81 78 92 82 79 85 79 85 91 80 81 84 90 79 79 78 92 84

a) Calculate the mean and standard deviation.

b) What percentage of data lies in the interval μ ± σ ? In the interval μ ± 2σ ?

Reference no: EM13898915

Questions Cloud

Accounting legal environment-why does the hearsay rule exist : Why does the hearsay rule exist? When are exceptions to the hearsay rule allowed? Is there any consistency between the rule and exceptions; in other words, can you devise an explanation as to why allowing exceptions to the hearsay rule does not vilol..
A summary of how the students cultural competency has change : a summary of how the student's cultural competency has changed.
What purpose do paul day dreams serve : This section, "Night March" depicts Paul's first day. What is significant about how this chapter is structured - is it completely linear? What purpose do Paul's day dreams serve? Why does Paul attempt to keep himself distant from the other men? Wh..
Comparison in the cost of doing manufacturing business : In need help in how to establish a comparison in the cost of doing manufacturing business in Puerto Rico with China. What are the best elements, indicators to do the comparison?
Calculate the mean and standard deviation : Calculate the mean and standard deviation. What percentage of data lies in the interval μ ± σ ? In the interval μ ± 2σ ?
Describe the different types using firms and products : Define, compare, and contrast the four basic types of competition. Then, pick an industry (other than those used in exhibit 3.6) and describe the different types using firms and products in that industry.
New facility in order to minimize the sum of dock costs : The manager of a regional warehouse must decide on the number of loading docks to request for a new facility in order to minimize the sum of dock costs and driver-truck costs. How many docks should be requested if trucks arrive at the rate of 9 per d..
Calculate the emv : How much would the company be willing to pay for perfect information on all three sites (together)? Note that after finding out the true nature of each site, the company can still choose no more than one site.
Character and theme analysis : Character and Theme Analysis - Analysis of character, a scene, a theme. A similar them or opposite theme in August Wilson Drama fence and John Updike A & P story

Reviews

Write a Review

Mathematics Questions & Answers

  Determine the average velocity over the time interval

A particle moves along a number line such that its position s at any time t, t(greaterthan or equal to), is given by s(t)=2t^3-15t^2+24t+1. A) Find the average velocity over the time interval [1,2].

  Find the fourier transform

Find the Fourier Transform ^U(k; t) of the solution U(x; t) of the heat equation

  Find the rate of change of depth of water

A conical tank (with vertex down) is 12 feet across the top and 14 feet deep. Water is flowing into the tank at the rate of 11 cubic feet per minute, find the rate of change of depth of water when the water is 6ft deep.

  A square support unit in a television is made with a

question a square support unit in a television is made with a sidemeasuring 4 centimeters. a new model being designed

  What is the price elasticity of demand for dunkin donuts

What is the price elasticity of demand for Dunkin Donuts (DD) glazed doughnuts, What xy1is the cross elasticity of demand between DD glazed doughnuts and Krispy Kreme (KK) glazed doughnuts, What xy2is thecrosselasticity of demand between DD glazed do..

  Draw until we find the first white ball

Balls are drawn from a box containing m white and n black balls until a white ball appears. How many balls in average do we anticipate to draw until we find the first white ball?

  Find the distance between the two boats

from a point of observation 10 feet above the top of a 260 ft cliff, the angles of depression of two boats due east of the observer are 42 degrees 10' and 25 degrees 12'. find the distance between the two boats.

  How should ticket prices be set so as to maximize revenue

the average attendance rose to 33,000. Find the demand function, assuming that it is linear. How should ticket prices be set so as to maximize revenue?

  How much will it cost to build a 90 foot tower

That is, the next 10 feet will cost $125, the next 10 feet will cost $150, etc. How much will it cost to build a 90 foot tower?

  What was the concentration in the punch that jill added

If the concentration of juice in the bottle is now reduced to 48%, what was the concentration in the punch that Jill added?

  Determine the probability that the metal balls falls

determine the probability that the metal balls falls on the number 31 or a red slot.

  How much wire should be used for the circle

How much wire should be used for the circle in order to minimize the total area?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd